package com.wcy.springcloud.controller;

import com.wcy.springcloud.entities.CommonResult;
import com.wcy.springcloud.entities.Payment;
import com.wcy.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @author wcymac
 */
@RestController
@Slf4j
public class PaymentController {

    @Resource
    private PaymentService paymentService;

    /**
     *     添加serverPort
     */
    @Value("${server.port}")
    private String serverPort;

    /**
     * springframework下的DiscoveryClient
     */
    @Resource
    private DiscoveryClient discoveryClient;


    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {

        int result = paymentService.create(payment);
        log.info("*********插入结果*******："+result);

        if(result > 0) {
            return new CommonResult(200,"插入结果成功,serverPort: "+serverPort,result);
        } else {
            return new CommonResult(444,"插入数据失败",null);
        }
    };

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id) {

        Payment payment = paymentService.getPaymentById(id);
        log.info("*********查询结果："+payment+"热部署成功了哈哈哈");

        if(payment != null) {
            return new CommonResult(200,"查询成功,serverPort: "+serverPort,payment);
        } else {
            return new CommonResult(444,"没有对应记录，查询ID："+id,null);

        }
    };

    /**
     * 对于注册进eureka里面的支付微服务，可以通过服务发现来获得该服务的信息
     * @return
     */
    @GetMapping(value = "/payment/discovery")
    public Object discovery() {
        List<String> services = discoveryClient.getServices();
        for(String element:services) {
            log.info("********element: "+element);
        }

        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }
        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/lb")
    public String getPaymentLB() {
        /**
         * 返回服务接口
         */
        return serverPort;
    }

    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout()
    {
        // 业务逻辑处理正确，但是需要耗费3秒钟
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return serverPort;
    }

}
